Silver and Gold: an Account of the Mining and Metallurgical Industry of the United States: With Reference Chiefly to the Precious MetalsJ.B. Ford and Company, 1873 - 566 من الصفحات |
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الصفحة 19
... present general system of gold mining is based upon the idea that gold is mainly coarse , while examination will show that the high percentage is in atoms finer than flour itself . In my experiments gold has been taken up so fine that ...
... present general system of gold mining is based upon the idea that gold is mainly coarse , while examination will show that the high percentage is in atoms finer than flour itself . In my experiments gold has been taken up so fine that ...
الصفحة 23
... present year it has been found necessary to increase the number and enlarge the capacity by making costly additions to the establishment . There are four fifty - vara lots to be filled in up to deep water , and these will be covered ...
... present year it has been found necessary to increase the number and enlarge the capacity by making costly additions to the establishment . There are four fifty - vara lots to be filled in up to deep water , and these will be covered ...
الصفحة 27
... present time has been the publica- tion of a volume on general geology embodying the results of a prelimi- nary reconnaissance of the State , published in 1865 ; two volumes on paleontology ; and several maps illustrating the geology ...
... present time has been the publica- tion of a volume on general geology embodying the results of a prelimi- nary reconnaissance of the State , published in 1865 ; two volumes on paleontology ; and several maps illustrating the geology ...
الصفحة 28
... present , as if the best divis- ion of the two volumes would be to allot the general geology to one and the economi- cal geology to the other . In that case the first one would contain a systematic descrip- tion of the geology of ...
... present , as if the best divis- ion of the two volumes would be to allot the general geology to one and the economi- cal geology to the other . In that case the first one would contain a systematic descrip- tion of the geology of ...
الصفحة 31
... present season , however , has opened auspiciously , and promises to equal our best years in the supply of water . The rain - fall for the first three months of the season , up to end of December , has reached 12.02 inches at Sacramento ...
... present season , however , has opened auspiciously , and promises to equal our best years in the supply of water . The rain - fall for the first three months of the season , up to end of December , has reached 12.02 inches at Sacramento ...
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200-foot level 50 feet amalgam amount antimony arrastras assay auriferous average Bannack bed-rock bullion Calaveras County California Cañon cent channel claim coal company's Comstock lode contains copper cost County course Creek cross-cut crushed deposits depth developed district ditch drift drill east El Dorado County engine erected Eureka expenses extracted feet feet deep feet in length feet wide Flat furnace galena gold Gold Hill gravel ground Gulch Hill hoisting-works hundred hydraulic inches incline iron labor lead ledge limestone located lode machinery metal miles mill Mineral Hill miners Mining Company months Mount Gregory Nevada opened operations ore-body ounces owners pans placer mines pounds present profit prospects quantity quartz quartzite rich River rock San Francisco silver slate smelting stamps stopes sulphurets sunk supply surface Table Mountain tion tons Total tunnel Tuolumne County tuyeres Valley vein washing width winze yield
مقاطع مشهورة
الصفحة 455 - States governing their possessory title, shall have the exclusive right of possession and enjoyment of all the surface included within the lines of their locations, and of all veins, lodes, and ledges throughout their entire depth, the top or apex of which lies inside of such surface lines extended downward vertically, although such veins, lodes, or ledges may so far depart from a perpendicular in their course downward as to extend outside the vertical side lines of such surface locations.
الصفحة 454 - ... no location of a mining claim shall be made until the discovery of the vein or lode within the limits of the claim located.
الصفحة 454 - No claim shall extend more than three hundred feet on each side of the middle of the vein at the surface, nor shall any claim be limited by any mining regulation to less than twenty-five feet on each side of the middle of the vein at the surface, except where adverse rights existing on the tenth day of May, eighteen hundred and seventytwo, render such limitation necessary.
الصفحة 455 - May, eighteen hundred and seventy-two, and until a patent has been issued therefor, not less than one hundred dollars' worth of labor shall be performed or improvements made during each year. On all claims located prior to the tenth day of May, eighteen hundred and seventy-two, ten dollars...
الصفحة 456 - Surveyor-General that five hundred dollars' worth of labor has been expended or improvements made upon the claim by himself or grantors; that the plat is correct, with such further description by such reference to natural objects or permanent monuments as shall identify the claim, and furnish an accurate description, to be incorporated in the patent. At the expiration of the sixty days of publication the claimant shall file his affidavit, showing that the plat and notice have been posted in a conspicuous...
الصفحة 458 - An act granting the right of way to ditch and canal owners over the public lands, and for other purposes...
الصفحة 457 - ... separate and different portions of the claim, each party may pay for his portion of the claim, with the proper fees, and file the certificate and description by the...
الصفحة 458 - ... which does not include an application for the vein or lode claim shall be construed as a conclusive declaration that the claimant of the...
الصفحة 456 - If no adverse claim shall have been filed with the register and the receiver of the proper land office at the expiration of the sixty days of publication, it shall be assumed that the applicant is entitled to a patent...
الصفحة 454 - All valuable mineral deposits in lands belonging to the United States, both surveyed and unsurveyed, are hereby declared to be free and open to exploration and purchase...